#271C43
Closest named color: Oxford Blue (#1B263B). oklch(26.2% 0.071 294), rgb(39, 28, 67).
Aa
White text reads best on this color (15.74:1).
About this color
#271C43 is a dark, moderately saturated purple. In OKLCH its lightness is 26%, its chroma 0.071 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.042 away. White text reads best on it, at 15.74:1.
| Hue family | Purples |
| Lightness | dark (26%) |
| Chroma | moderately saturated (0.071) |
| Temperature | in between |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.33:1 |
| White text | 15.74:1 |
Values
| HEX | #271C43 |
| RGB | rgb(39, 28, 67) |
| HSL | hsl(257, 41%, 19%) |
| OKLCH | oklch(26.2% 0.071 294) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #271C43 | 15.74:1 | AAA | Lc -105.2 | Preferred for body text |
| Black text on #271C43 | 1.33:1 | Fails | Lc 0.0 | Not readable |
| #271C43 text on white | 15.74:1 | AAA | Lc 102.6 | Preferred for body text |
| #271C43 text on black | 1.33:1 | Fails | Lc 0.0 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 950.
-
Step 50
50
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#EAE7F9
oklch(93.6% 0.024 293.6)
-
Step 200
200
#DAD4F6
oklch(88.5% 0.047 293.5)
-
Step 300
300
#C3B7F2
oklch(81% 0.083 293.8)
-
Step 400
400
#A68FEC
oklch(70.8% 0.134 294.1)
-
Step 500
500
#9170E5
oklch(63.1% 0.171 294)
-
Step 600
600
#7C55D3
oklch(55.6% 0.185 293.8)
-
Step 700
700
#6944B7
oklch(49.1% 0.173 293.9)
-
Step 800
800
#563994
oklch(42.8% 0.143 294.2)
-
Step 900
900
#463276
oklch(37.7% 0.112 293.9)
-
Step 950
950 (this color)
#271C43
oklch(26.2% 0.071 294)
#271C43 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #0C2344 | 0.043 |
| Deuteranopia (no green cones) | #0F2242 | 0.040 |
| Tritanopia (no blue cones) | #20242C | 0.057 |
| Achromatopsia (no color) | #232323 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #271C43
#271C43
oklch(26.2% 0.071 294)
- #242700
#242700
oklch(26.1% 0.059 114.1)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #271C43, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.042
- Dark #1B2431 ΔE 0.051
- Dark Purple #35063E ΔE 0.055
- Space Cadet #2B2D42 ΔE 0.056
- Dark Indigo #1F0954 ΔE 0.057
- Eggplant #380835 ΔE 0.059
- Deep Purple #36013F ΔE 0.063
- Jet #212529 ΔE 0.065
Use #271C43 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.